Defect engineering and triangular copper as key drivers for ultralow thermal conductivity in Cu2ZrS3 polytypes

Key Points

• The aim is to understand how defect engineering and the presence of triangular copper influence thermal conductivity in Cu2ZrS3 polytypes.
• Analyzed the structural properties of Cu2ZrS3 polytypes
• Investigated the role of defect engineering in modifying thermal properties
• Assessed the impact of triangular copper configurations on conductivity
• Found significant reduction in thermal conductivity associated with defect modifications
• Identified triangular copper as a key factor in enhancing the material's properties
• Demonstrated the material's high potential for energy conversion applications